Unit 3 Assessments

Front

In an endothermic reaction, energy is _________.

Back

absorbed

Front

A reaction that absorbs heat from its surroundings is called an __________ reaction.

Back

endothermic

Front

Water is the universal ____.

Back

solvent

Front

In a solution, the substance that is dissolved is called the ____.

Back

solute

Front

During a chemical reaction, atoms are ___________.

Back

rearranged

Front

A reaction that releases heat to its surroundings is called an __________ reaction.

Back

exothermic

Front

What is the term for a mixture where one substance is dissolved in another?

Back

solution

Front

In a solution, the substance that does the dissolving is called the ____.

Back

solvent

Front

What happens to the temperature of the surroundings in an exothermic reaction?

Back

It increases.

Front

What happens to the temperature of the surroundings in an endothermic reaction?

Back

It decreases.